(v. i.) To flutter; to flap the wings without flying.
(v. i.) To waver unsteadily, like a flame in a current of air, or when about to expire; as, the flickering light.
(n.) The act of wavering or of fluttering; flucuation; sudden and brief increase of brightness; as, the last flicker of the dying flame.
(n.) The golden-winged woodpecker (Colaptes aurutus); -- so called from its spring note. Called also yellow-hammer, high-holder, pigeon woodpecker, and yucca.
Example Sentences:
(1) Indirect blood pressure measurement techniques included automated oscillometry, manual auscultation, visual onset of oscillation (flicker) and return-to-flow methods.
(2) The flickers, similar in nature to the flickers observed for physiological channels, were of the order of 1 ms and the interval between flickers was of the order of 50 ms.
(3) I watched as she made the briefest eye contact with me on their way back, the flicker of hurt and sadness in her eyes reflecting mine, before the shutters came down.
(4) The characteristics of pattern and flicker (movement) detection are compared to electrophysiological studies on X (sustained) and Y (transient) neurones respectively, and correlations are described for studies of temporal frequency response, non-linearity, width of receptive field, strength of the inhibitory surround and motion sensitivity.
(5) The performance tests included tracking, choice reaction, flicker fusion, exophoria, nystagmus, digit symbol substitution and the subjective assessment of mood.
(6) Psychometric performance parameters and the critical flicker-fusion frequency are studied in various groups and in patients with chronic cerebral circulation trouble.
(7) It caused alpha-adrenergic stimulation (blood pressure and pupil diameter) and central nervous system excitation (critical flicker frequency), both of which were more marked in males than in females.
(8) Only two eyes showed a definite alteration in optic disc anatomy without the development of field loss, and field defects appeared in only one of 109 eyes in which there was no change or suspected change on flicker comparison.
(9) There were flickers for Alberto Moreno and Origi straight away, Lallana looped a header off target and Jordan Henderson got the better of Aké before seeing Heurelho Gomes tip over his shot.
(10) Twenty-four male graduate volunteers were administered a battery of psychological tests--critical flicker fusion (CFF; alternate and simultaneous), reaction time (simple and choice), memory (forward and backward), and associative recall--to ascertain their performance capability during the different times of day.
(11) At positive applied voltages, TeTx channels flicker continuously between a closed state and the various distinct open states.
(12) The luminance threshold for the detection of 25 Hz flicker was measured in nine patients with retinal disorders under stimulus conditions that have been shown previously to involve an interaction between rod and cone systems.
(13) The results obtained by flicker were compared with those reported on the responses evoked by different visual stimuli.
(14) The future development of perimetry will be characterized by a refinement of measured value statistics and the testing of perimetric procedures that test more complex physiological functions than sensitivity to differences (e.g., analysis of temporal transmission characteristics in flicker perimetry.
(15) For patients sensitive at normal viewing distances, where 50 Hz diffuse flicker appeared to be responsible for the induction of paroxysmal activity, the probability with which paroxysmal activity was induced was closely related to the subtense of the screen.
(16) Fourteen patients with symptoms of acute unilateral optic neuritis were examined with the Pulfrich test and the Aulhorn flicker test.
(17) Visual discomfort has been related to 1) the presence of flicker; the possibility to regulate, 2) brightness, 3) height; and 4) inclination of monitor.
(18) High ambient temperature had no significant effect on critical flicker fusion frequency.
(19) (1) Annular stimulation of rods slightly facilitated rod-mediated flicker sensitivity to frequencies less than 10 Hz.
(20) The result was good news for the north-east generally as Newcastle’s flickering hopes of escaping the drop were also given the faintest breath of oxygen.
Woodpecker
Definition:
(n.) Any one of numerous species of scansorial birds belonging to Picus and many allied genera of the family Picidae.
Example Sentences:
(1) A blackbird is broadcasting its mellifluous song, a squirrel runs up a nearby tree and surprisingly, given that we are in central London, we can both hear a woodpecker knocking.
(2) The only sound is the astonishing cackle of a green woodpecker.
(3) You will see woodpeckers and treecreepers, and all the flora you would expect.
(4) Cystacanths later recovered from the woodroaches developed into mature worms when pipetted into esophaguses of red-bellied woodpeckers, Centurus carolinius: red-headed woodpeckers, Melanerpes erythrocephalus; yellow-shafted flickers, Colaptes auratus; and a hairy woodpecker, Dendrocopos villosus.
(5) Furthermore, all these impacts could occur simultaneously, posing a particularly devastating threat to already vulnerable species and systems.” They note the endangered red-cockaded woodpecker as an example; it lives in longleaf pine forests, which will likely be among the forest casualties in this new urban wasteland.
(6) Ceca are absent in woodpeckers, hummingbirds, swifts, kingfishers, pigeons, mousebirds, cuckoos, and parrots.
(7) From Tring station there's a four- or a six-mile circular route through an area with lots of wildlife including red kites, goldcrests, lesser spotted woodpeckers and wild fallow deer.
(8) One woodpecker finch, Cactospiza pallida, was found to be infected with I. exigua, and a warbler finch, Certhidea olivacea was infected with I. fragmenta.
(9) Luddenden Brook runs through it, there are shaded walks criss crossing throughout, rare plants, woodpeckers and deer - and you can camp very cheaply at the council-run Jerusalem Farm on the edge of the woods.
(10) Phosalone had little effect on brain ChE activity of birds from treated groves; only slight to moderate (21 to 38%) ChE inhibition was detected in blue jays (Cyanocitta cristata) and red-bellied woodpeckers (Melanerpes carolinus).
(11) As a contrast, it depleted 60-80% of both NE and E from the innervated glands as compared to 17-43% reduction from the denervated glands in nonpasserine (woodpecker, parakeet, and koel) birds.
(12) Cystacanths fed starlings, Sturnus vaulgaris, and red-winged blackbirds, Agelaius phoeniceus, did not produce infections although cystacanths from the same pool were infective to control woodpeckers.
(13) Infection was achieved in all woodpeckers fed cystacanths at least 47 days old and the mean prepatent period was 35 days.
(14) We determined the prevalence of six genera of bacteria from a sample of 387 cloacal swabs from 364 passerines and woodpeckers.
(15) This brought on an unprecedented wave of extinctions or near misses; the Carolina parakeet and the Rocky Mountain locust were driven to extinction and the Pronghorn antelope, the bison, black-footed ferret, Eskimo curlew, ivory-billed woodpecker, heath hen and others were brought to the brink.
(16) A preliminary anatomical study of the woodpecker's head suggests that it may be fruitful to explore impact protective systems which are radically different from those in common use.
(17) Which is exactly what we did on her last day, watching woodpeckers in the copse in front of her cottage, and remembering our adventures together; up to an hour before she died, we were planning a new one, and she was excited that it might include a recce to the Arctic Circle to view the aurora borealis .
(18) Filled with long-tailed tits or goldfinches or cackling green woodpeckers, many are as thick as houses, a coalition of holly, rowan, hazel, dogwood and bramble, with oaks permitted to grow into grand trees.
(19) My mother made a new cover for our battered sofa from his Woodpecker fabric and my sisters wore smock-like dresses made from his textiles.
(20) The woodpecker is an experiment in Nature, a model for the investigation of mechanisms of basic importance for head injury and its prevention.